20600991

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4643}}^1$

素因数の和:4695

約数の個数: 24

約数和(自身を含む): 32600880

約数和(自身を除く): 11999889

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4643, 13929, 41787, 78931, 134647, 236793, 403941, 710379, 1211823, 2288999, 6866997, 20600991]

約数ペア:

[(1, 20600991), (3, 6866997), (9, 2288999), (17, 1211823), (29, 710379), (51, 403941), (87, 236793), (153, 134647), (261, 78931), (493, 41787), (1479, 13929), (4437, 4643)]